Home / 9,948.88-14,921.68-2,928.08

Finding the Fourth Proportional to 9,948.88, 14,921.68 and 2,928.08

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Solution

The fourth proportional to 9,948.88, 14,921.68 and 2,928.08 is: 4,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,948.88 : 14,921.68 = 2,928.08 : x
  2. Step 2: Convert to fraction form
    9,948.88/14,921.68 = 2,928.08/x
  3. Step 3: Cross multiply
    9,948.88x = 14,921.68 × 2,928.08
  4. Step 4: Simplify right side
    9,948.88x = 43,691,872.77
  5. Step 5: Solve for x
    x = 43,691,872.77/9,948.88
  6. Step 6: Final answer
    x = 4,391.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.